chore: Remove `MessageContentBody` additional styles (#31476)

apps/meteor/client/components/message/MessageContentBody.tsx

apps/meteor/ee/server/services/package.json

apps/meteor/package.json

ee/packages/ui-theming/package.json

packages/core-services/package.json

packages/core-typings/package.json

packages/fuselage-ui-kit/package.json

packages/gazzodown/package.json

packages/livechat/package.json

packages/ui-client/package.json

packages/ui-composer/package.json

packages/ui-contexts/package.json

packages/ui-video-conf/package.json

packages/uikit-playground/package.json

yarn.lock